Angled: Easy to find the object quickly. Convenient for observation during moving. Indication line for aiming is available on the built-in hood - You can catch the object quickly and easily.

Easy eyepiece attachment, succeeding previous model - Sleeve is American size (31.7mm diameter). Insert the eyepiece in the sleeve and fix it by tightening the collet.

Waterproof function (JIS grade 6) - Dustproof glass is used on the eyepiece attachment part. Inside is airtight structure and also nitrogen gas is filled to avoid dew condensation of the inner glass coming from the sharp difference of temperature.

Stretching type built-in rubber sun shade - The hood cut harmful light. It also protects the lens from dust and water as well as soften impact from the outside.

Focusing knob in the center - Focusing knob is located in the center, on the upper surface of the body so that quick and smooth focusing is possible.

Rotating tripod collars (click stop type) - The body can be rotated even on the tripod for easy observation and shooting. The rotation is 90 degree both right and left with click stop by 45 degree each

Whole rubber housing to protect the body from shock.

Gold logo plate - Logoplate attached on the side of the body is upgraded to gold, (used to be silver). To match this, the color of the letters on the objective lens frame is also changed. It will give posher impression and feel of unity.

Camera adapter PF-CA35 is attachable - the PF-66EDA II can be used as a super telephoto lens at focal length 780mm, aperature value F12.